Large-size electric vehicle front wall injection mold with auxiliary supporting beam structure

Abstract

The utility model belongs to the technical field of molds, and relates to a large-size electric vehicle front wall injection mold with an auxiliary supporting beam structure. The electric vehicle front wall forming die comprises an electric vehicle front wall forming lower die and an electric vehicle front wall forming upper die. In the injection molding process, the electric vehicle front wall molding lower mold and the electric vehicle front wall molding upper mold are close to each other, so that the front wall molding bulge and the front wall molding concave cavity are attached to form a complete cavity, and a molten material is injected into the cavity through the injection molding shunting piece for injection molding; during injection molding, the auxiliary forming supporting beam structure plays a role in supporting and auxiliary forming on the peripheral forming position of a plastic part, after injection molding is completed, the auxiliary forming supporting beam structure is subjected to inclined ejection demolding, and then the middle of the plastic part is directly ejected through the middle ejector rod demolding part. And one part has two functions, so that the complexity of the mold is greatly reduced, and meanwhile, the ejection area is large, the range is wide, and the practicability is relatively high.

Description

TECHNICAL FIELD

[0001] The utility model belongs to mould technical field relates to a kind of large-size electric vehicle front wall injection mould with auxiliary support beam structure. BACKGROUND

[0002] Electric vehicle front package is mainly plastic material, and it is one of indispensable components of electric vehicle. At present, electric vehicle front package is integrally injection molded by injection mold, and when large-size electric vehicle front package is produced, the molded plastic part is ejected by ejector rod. The cross-sectional area of the ejector rod structure is small, and it is easy to lack support during injection molding, which leads to concave between the ejector rod and the mold plate, affecting the molding of the plastic part. In addition, the ejection area and range are also small. Therefore, it is urgent to design a large-size electric vehicle front wall injection mould with auxiliary support beam structure to overcome the above defects.

[0003] In order to overcome the deficiencies of the prior art, people have continuously explored and proposed various solutions. For example, a kind of electric vehicle large package cover shell rapid forming injection mold [application number: 201921536223.4] is disclosed in Chinese patent. The electric vehicle large package cover shell rapid forming injection mold includes a movable mold and a fixed mold matched with the movable mold. The fixed mold has a forming block extending into the movable mold. A forming cavity for product forming is formed between the forming block and the inner cavity of the movable mold. An injection assembly is provided on the movable mold to connect the injection molding equipment and the forming cavity. The forming block includes an inner forming surface recessed inward for forming the large package bottom side and an outer forming surface protruding outward for forming the large package body and the upper side. A first forming flow channel is provided on the inner forming surface to connect the injection assembly and the forming cavity. A second forming flow channel is provided on the outer forming surface to connect the injection assembly and the forming cavity. SUMMARY

[0004] The utility model aims at the above problem, and provides a kind of large-size electric vehicle front wall injection mould with auxiliary support beam structure.

[0005] To achieve the above object, the utility model adopts the following technical scheme:

[0006] A kind of large-size electric vehicle front wall injection mould with auxiliary support beam structure, including electric vehicle front wall forming lower mould and electric vehicle front wall forming upper mould, the electric vehicle front wall forming lower mould has front wall forming protrusion in, the electric vehicle front wall forming upper mould has front wall forming recess cavity in, the position of the front wall forming protrusion and front wall forming recess cavity corresponds and shape is matched, the electric vehicle front wall forming upper mould top is equipped with injection shunt piece, the front wall forming protrusion has auxiliary forming support beam structure and middle part ejector element in, the auxiliary forming support beam structure and middle part ejector element are staggered, the auxiliary forming support beam structure and the shape of front wall forming protrusion are matched.

[0007] In the large-size electric vehicle front wall injection mold with auxiliary support beam structure, the auxiliary forming support beam structure comprises a plurality of side support beam blocks and end support beam blocks arranged in the front wall forming protrusion, the side support beam blocks and the end support beam blocks are arranged alternately, and the side support beam blocks and the end support beam blocks are respectively in sliding fit with the front wall forming protrusion.

[0008] In the large-size electric vehicle front wall injection mold with auxiliary support beam structure, the bottom of the side support beam block is provided with a first inclined sliding connecting piece, the bottom of the lower die of the front wall forming mold is provided with an ejection fixing plate, and the bottom of the first inclined sliding connecting piece is connected with the ejection fixing plate.

[0009] In the large-size electric vehicle front wall injection mold with auxiliary support beam structure, the first inclined sliding connecting piece comprises a first inclined sliding connecting rod arranged at the bottom of the side support beam block, the ejection fixing plate is provided with a first sliding seat, the top of the first inclined sliding connecting rod is fixedly connected with the bottom of the side support beam block, and the bottom of the first inclined sliding connecting rod is in sliding fit with the first sliding seat.

[0010] In the large-size electric vehicle front wall injection mold with auxiliary support beam structure, the bottom of the end support beam block is provided with a second inclined sliding connecting piece, and the bottom of the second inclined sliding connecting piece is connected with the ejection fixing plate.

[0011] In the large-size electric vehicle front wall injection mold with auxiliary support beam structure, the second inclined sliding connecting piece comprises a second inclined sliding connecting rod arranged at the bottom of the side support beam block, the fixing plate is provided with a second sliding seat, the top of the second inclined sliding connecting rod is fixedly connected with the bottom of the side support beam block, and the bottom of the second inclined sliding connecting rod is in sliding fit with the second sliding seat.

[0012] In the large-size electric vehicle front wall injection mold with auxiliary support beam structure, the front wall forming protrusion is provided with two middle inclined ejecting blocks, the middle inclined ejecting blocks are provided with middle inclined sliding rods at the bottom, the fixing plate is provided with two third sliding seats, and the bottom of the middle inclined sliding rod is in sliding fit with the third sliding seat.

[0013] In the large-size electric vehicle front wall injection mold with auxiliary support beam structure, the middle ejecting rod demolding piece comprises a plurality of middle straight ejecting rods arranged on the ejection fixing plate, the middle straight ejecting rods penetrate through the front wall forming protrusion and are in sliding fit with the front wall forming protrusion.

[0014] In the large-size electric vehicle front wall injection mold with auxiliary support beam structure, the injection mold flow dividing piece comprises an injection main plate and an injection flow dividing plate arranged above the upper die of the front wall forming mold.

[0015] In the large-size electric vehicle front wall injection mold with auxiliary support beam structure, the injection distribution plate bottom is provided with a plurality of mutually parallel injection tubes corresponding to the front wall forming protrusions.

[0016] Compared with the prior art, the utility model has the advantages that:

[0017] 1、 the utility model discloses in the injection molding process, the electric vehicle front wall forming lower mould and electric vehicle front wall forming upper mould are close to each other, make the front wall forming protrusion and the front wall forming cavity are pasted and form the complete cavity, and the molten material is injected into the cavity through the injection distribution spare, and injection molding is carried out, and the auxiliary forming support beam structure plays the role of supporting auxiliary forming to the periphery of the plastic part when injection molding, after completing injection molding, the auxiliary forming support beam structure is carried out and is inclined to demould, and then the middle part of the plastic part is straightly toped through the middle top rod demoulding piece, the utility model discloses the support structure is used as the demoulding structure, one component has two functions, greatly reduces the complexity of the mold, and the ejection area is large, the range is wide, and the practicality is stronger.

[0018] 2、 the utility model discloses through the middle inclined top block, the middle part of the forming plastic part can also be inclined to demould, the inclined surface area is increased, the bottom of the middle inclined sliding rod and the third sliding seat are slidingly connected, and convenient to move.

[0019] Other advantages, objects and features of the utility model will be embodied partly through the following description, and some will be understood by the skilled in the art through the research and practice of the utility model. DRAWINGS

[0020] Figure 1 It is the structural schematic diagram of the utility model.

[0021] Figure 2 It is the local structure schematic diagram of the utility model.

[0022] Figure 3 It is the local structure schematic diagram of another direction of the utility model.

[0023] Figure 4 It is the structural schematic diagram of the electric vehicle front wall forming upper mould.

[0024] In the drawing: electric vehicle front wall forming lower mould 1, electric vehicle front wall forming upper mould 2, front wall forming protrusion 3, front wall forming cavity 4, injection distribution spare 5, auxiliary forming support beam structure 6, middle top rod demoulding piece 7, side support beam block 8, end support beam block 9, first inclined sliding connecting piece 10, ejection fixed plate 11, first inclined sliding connecting rod 12, first sliding seat 13, second inclined sliding connecting piece 14, second inclined sliding connecting rod 15, second sliding seat 16, middle inclined top block 17, middle inclined sliding rod 18, third sliding seat 19, middle straight top rod 20, injection main plate 21, injection distribution plate 22, injection tube 23. DETAILED DESCRIPTION

[0025] The utility model will be further explained in connection with the drawings below.

[0026] As Figures 1-4 shown, a large size electric car front wall injection mold with auxiliary support beam structure, including electric car front wall forming lower mould 1 and electric car front wall forming upper mould 2, the electric car front wall forming lower mould 1 has front wall forming convex 3 in, the electric car front wall forming upper mould 2 has front wall forming recessed cavity 4 in, the position of front wall forming convex 3 and front wall forming recessed cavity 4 corresponds and shape is matched, the electric car front wall forming upper mould 2 top is equipped with injection flow distribution piece 5, front wall forming convex 3 has auxiliary forming support beam structure 6 and middle part ejector rod demoulding part 7 in, auxiliary forming support beam structure 6 and middle part ejector rod demoulding part 7 are staggered, and auxiliary forming support beam structure 6 is matched with the shape of front wall forming convex 3.

[0027] In the embodiment, during the injection molding process, the electric car front wall forming lower mould 1 and the electric car front wall forming upper mould 2 are moved close to each other, so that the front wall forming convex 3 and the front wall forming recessed cavity 4 are attached to form a complete cavity, the molten material is injected into the cavity through the injection flow distribution piece 5, and the injection molding is performed. The auxiliary forming support beam structure 6 plays a supporting role in the peripheral forming of the plastic part during the injection molding process. After the injection molding is completed, the auxiliary forming support beam structure 6 is inclined and ejected, and the middle part of the plastic part is straightly ejected through the middle part ejector rod demoulding part 7. The mold uses a support structure as an ejection structure, one component has two functions, greatly reduces the complexity of the mold, and has a large ejection area, a wide range, and high practicability.

[0028] As Figures 1-4 shown, the auxiliary forming support beam structure 6 includes a plurality of side support beam blocks 8 and end support beam blocks 9 arranged in the front wall forming convex 3. The side support beam blocks 8 and the end support beam blocks 9 are staggered. The side support beam blocks 8 and the end support beam blocks 9 are respectively slidably connected with the front wall forming convex 3.

[0029] Specifically, during the injection molding process, the side support beam blocks 8 and the end support beam blocks 9 play a supporting role in the peripheral forming of the plastic part. After the injection molding is completed, the side support beam blocks 8 and the end support beam blocks 9 are inclined and ejected. The support structure is used as an ejection structure, one component has two functions, greatly reduces the complexity of the mold, and has a large ejection area, a wide range, and high practicability.

[0030] As Figure 1 , Figure 2As shown, the bottom of the side support beam block 8 is provided with a first inclined sliding connecting piece 10, the bottom of the front wall forming protrusion 3 is provided with an ejection fixed plate 11, and the bottom of the first inclined sliding connecting piece 10 is connected with the ejection fixed plate 11.

[0031] In this embodiment, the first inclined sliding connecting piece 10 is used to connect and fix the side support beam block 8, so as to facilitate the subsequent inclined ejection of the side support beam block 8.

[0032] The first inclined sliding connecting piece 10 comprises a first inclined sliding connecting rod 12 arranged at the bottom of the side support beam block 8, the ejection fixed plate 11 is provided with a first sliding seat 13, the top of the first inclined sliding connecting rod 12 is fixedly connected with the bottom of the side support beam block 8, and the bottom of the first inclined sliding connecting rod 12 is in sliding fit with the first sliding seat 13.

[0033] In this embodiment, the first inclined sliding connecting rod 12 is used to connect and fix the side support beam block 8, and the bottom of the first inclined sliding connecting rod 12 is in sliding fit with the first sliding seat 13, so as to facilitate the subsequent inclined ejection of the side support beam block 8.

[0034] In combination Figure 3 As shown, the bottom of the end support beam block 9 is provided with a second inclined sliding connecting piece 14, and the bottom of the second inclined sliding connecting piece 14 is connected with the ejection fixed plate 11.

[0035] In this embodiment, the second inclined sliding connecting piece 14 is used to connect and fix the end support beam block 9, so as to facilitate the subsequent inclined ejection of the end support beam block 9.

[0036] The second inclined sliding connecting piece 14 comprises a second inclined sliding connecting rod 15 arranged at the bottom of the side support beam block 8, the fixed plate 11 is provided with a second sliding seat 16, the top of the second inclined sliding connecting rod 15 is fixedly connected with the bottom of the side support beam block 8, and the bottom of the second inclined sliding connecting rod 15 is in sliding fit with the second sliding seat 16.

[0037] In this embodiment, the second inclined sliding connecting rod 15 is used to connect and fix the side support beam block 8, and the bottom of the second inclined sliding connecting rod 15 is in sliding fit with the second sliding seat 16, so as to facilitate the subsequent inclined ejection of the side support beam block 8.

[0038] The front wall forming protrusion 3 is internally provided with two middle inclined ejection blocks 17, the bottom of the middle inclined ejection block 17 is provided with a middle inclined sliding rod 18, the fixed plate 11 is provided with two third sliding seats 19, and the bottom of the middle inclined sliding rod 18 is in sliding fit with the third sliding seat 19.

[0039] In this embodiment, the middle inclined ejection block 17 can be used to perform inclined ejection on the middle part of the formed plastic part, the bottom of the middle inclined sliding rod 18 is in sliding fit with the third sliding seat 19, so as to facilitate movement.

[0040] In combinationFigure 3 As shown, the middle top rod stripping member 7 comprises a plurality of middle straight top rods 20 arranged on the ejection fixed plate 11, which penetrates through and is in sliding fit with the front wall forming protrusion 3.

[0041] In this embodiment, after injection molding, the middle straight top rod 20 is used to straightly eject the middle part of the plastic part, and the inclined straight top combination stripping is realized in cooperation with the inclined top structure, which has large ejection area, wide range and strong practicability.

[0042] In combination with Figure 1 , Figure 2 As shown, the injection molding shunt 5 comprises an injection molding main plate 21 and an injection molding shunt plate 22 arranged above the electric vehicle front wall forming upper die 2, the bottom of the injection molding shunt plate 22 is provided with a plurality of parallel injection molding pipes 23 corresponding to the front wall forming protrusion 3.

[0043] In this embodiment, during the injection molding process, the molten material is introduced into the injection molding main plate 21, and the injection molding shunt is performed through the injection molding shunt plate 22 and the injection molding pipe 23.

[0044] The working principle of the utility model is:

[0045] During the injection molding process, the electric vehicle front wall forming lower die 1 and the electric vehicle front wall forming upper die 2 are moved close to each other, so that the front wall forming protrusion 3 is attached to the front wall forming cavity 4 to form a complete cavity, the molten material is introduced into the injection molding main plate 21, the injection molding shunt is performed through the injection molding shunt plate 22 and the injection molding pipe 23, the injection molding is performed, the side support beam block 8 and the end support beam block 9 play a supporting and auxiliary molding role on the periphery of the plastic part, after the injection molding is completed, the side support beam block 8 and the end support beam block 9 are inclined and stripped, the supporting structure is used as the stripping structure, one component has two functions, which greatly reduces the complexity of the mold, and the ejection area is large, the range is wide, and the practicability is strong,

[0046] The first inclined sliding connecting rod 12 is used to connect and fix the side support beam block 8, the bottom of the first inclined sliding connecting rod 12 is in sliding fit with the first sliding seat 13, so that the side support beam block 8 is conveniently inclined and stripped subsequently, the second inclined sliding connecting rod 15 is used to connect and fix the side support beam block 8, the bottom of the second inclined sliding connecting rod 15 is in sliding fit with the second sliding seat 16, so that the side support beam block 8 is conveniently inclined and stripped subsequently,

[0047] The middle inclined top block 17 can also be used to incline and strip the middle part of the formed plastic part, the bottom of the middle inclined sliding rod 18 is in sliding fit with the third sliding seat 19, so that the movement is facilitated,

[0048] After the injection molding is completed, the middle straight ejector rod 20 is used to vertically eject the middle part of the plastic part, and the inclined ejection structure is used to realize the combined inclined and vertical ejection, so that the ejection area is large, the range is wide, and the practicability is high.

[0049] The specific embodiments described herein are merely illustrative of the spirit of the present application. Those skilled in the art to which the present application belongs can make various modifications or supplements to the described specific embodiments or use similar ways to replace them, but will not deviate from the spirit of the present application.

[0050] Although the terms such as electric vehicle front wall forming lower die 1, electric vehicle front wall forming upper die 2, front wall forming protrusion 3, front wall forming recess 4, injection molding flow dividing piece 5, auxiliary forming support beam structure 6, middle ejector rod demolding piece 7, side support beam block 8, end support beam block 9, first inclined sliding connecting piece 10, ejection fixed plate 11, first inclined sliding connecting rod 12, first sliding seat 13, second inclined sliding connecting piece 14, second inclined sliding connecting rod 15, second sliding seat 16, middle inclined ejection block 17, middle inclined sliding rod 18, third sliding seat 19, middle straight ejector rod 20, injection molding main plate 21, injection molding flow dividing plate 22, injection molding pipe 23 are used more frequently in this paper, but the possibility of using other terms is not excluded. Using these terms is only to facilitate the description and explanation of the essence of the present application. It is against the spirit of the present application to interpret them as any kind of additional limitation.

Claims

1. A large-size electric vehicle front wall injection mold with auxiliary support beam structure, comprising an electric vehicle front wall forming lower mold (1) and an electric vehicle front wall forming upper mold (2), characterized in that, The electric car front wall forming lower die (1) has a front wall forming convex (3), the electric car front wall forming upper die (2) has a front wall forming concave (4), the front wall forming convex (3) and the front wall forming concave (4) correspond in position and match in shape, the electric car front wall forming upper die (2) is provided with injection molding shunt (5) above, the front wall forming convex (3) has auxiliary forming support beam structure (6) and middle part ejector rod demoulding element (7) in it, the auxiliary forming support beam structure (6) and middle part ejector rod demoulding element (7) are staggered, and the auxiliary forming support beam structure (6) matches the shape of the front wall forming convex (3).

2. The large size electric vehicle front wall injection mold with auxiliary support beam structure according to claim 1, characterized in that, The auxiliary forming support beam structure (6) includes a plurality of side support beam blocks (8) and end support beam blocks (9) arranged in the front wall forming convex (3), the side support beam blocks (8) and end support beam blocks (9) are staggered, and the side support beam blocks (8) and end support beam blocks (9) are respectively slidably connected with the front wall forming convex (3).

3. The large size electric vehicle front wall injection mold with auxiliary support beam structure according to claim 2, characterized in that, The bottom of the side support beam block (8) is provided with a first inclined sliding connecting piece (10), and the bottom of the first inclined sliding connecting piece (10) is connected with the ejection fixed plate (11).

4. The large size electric vehicle front wall injection mold with auxiliary support beam structure according to claim 3, characterized in that, The first inclined sliding connecting piece (10) includes a first inclined sliding connecting rod (12) arranged at the bottom of the side support beam block (8), the ejection fixed plate (11) is provided with a first sliding seat (13), the top of the first inclined sliding connecting rod (12) is fixedly connected with the bottom of the side support beam block (8), and the bottom of the first inclined sliding connecting rod (12) is slidably connected with the first sliding seat (13).

5. The large size electric vehicle front wall injection mold with auxiliary support beam structure according to claim 4, characterized in that, The bottom of the end support beam block (9) is provided with a second inclined sliding connecting piece (14), and the bottom of the second inclined sliding connecting piece (14) is connected with the ejection fixed plate (11).

6. The large size electric vehicle front wall injection mold with auxiliary support beam structure according to claim 5, characterized in that, The second inclined sliding connecting piece (14) includes a second inclined sliding connecting rod (15) arranged at the bottom of the side support beam block (8), the ejection fixed plate (11) is provided with a second sliding seat (16), the top of the second inclined sliding connecting rod (15) is fixedly connected with the bottom of the side support beam block (8), and the bottom of the second inclined sliding connecting rod (15) is slidably connected with the second sliding seat (16).

7. The large-size electric vehicle front wall injection mold with auxiliary support beam structure according to claim 6, characterized in that, The front wall forming convex (3) is provided with two middle inclined ejector rods (17), the bottom of the middle inclined ejector rod (17) is provided with a middle inclined sliding rod (18), the ejection fixed plate (11) is provided with two third sliding seats (19), and the bottom of the middle inclined sliding rod (18) is slidably connected with the third sliding seat (19).

8. The large-size electric vehicle front wall injection mold with auxiliary support beam structure according to claim 7, characterized in that, The middle part ejector rod demoulding element (7) includes a plurality of middle part straight ejector rods (20) arranged on the ejection fixed plate (11), and the middle part straight ejector rods (20) penetrate through the front wall forming convex (3) and are slidably connected with the front wall forming convex (3).

9. The large size electric vehicle front wall injection mold with auxiliary support beam structure according to claim 8, characterized in that, The injection molding shunt (5) includes an injection molding main plate (21) and an injection molding shunt plate (22) arranged above the electric car front wall forming upper die (2).

10. The large-size electric vehicle front wall injection mold with auxiliary support beam structure according to claim 9, wherein, The bottom of the injection molding shunt plate (22) is provided with a plurality of injection molding pipes (23) parallel to each other, and the injection molding pipes (23) correspond to the front wall forming convex (3).

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